How on div hover make other div's image animate

guys so basically I'm a bit stuck, the deal is that, the div that i need to hover on is under the div which image i need to trigger, I have no idea how to do that, and i need to do this with css. Simply it is layout with floats to left, so changing positions is hard form me. Any ideas?
here html code

need to hover on div which has id of melyna to trigger div of zydra id image
all of divs are given float left and some kind of width and height, it's simple color block layout, would love to hear your guys suggestions and if there is no way, how to move my div which contains image to bottom that it won't change layout